1. Nathan at Haha Bird combined an old screwdriver with his car key to make it look like he was driving a stolen car.
Probably the most legal/nerdy way to get IRL Grand Theft Auto cred ever.
2. He provides the full instructions here.
And recommends using a “beat up old screwdriver” with “some character, one that looks like it might have stabbed someone.” Prepare to explain yourselves to cops accordingly.